ArcLight Capital Partners Employee Directory
Investment ManagementMassachusetts, United States51-200 Employees
ArcLight Capital Partners, LLC is a Boston, Massachusetts-based firm that focuses on owning, controlling, and operating critical electrification infrastructure assets. Since its founding in 2001, the company has built a substantial portfolio across electric and gas transmission and storage, including power, hydro, solar, wind, battery storage, and related transmission infrastructure, to support growing needs for power reliability, security, and sustainability. Its approach is operationally oriented, drawing on in-house strategic, technical, and commercial specialists and a large asset management partner network to steward long-lived assets. ArcLight serves utilities, grid operators, and other market participants seeking secure, efficient energy infrastructure. In June 2026, the firm expanded its footprint in Virginia and began operating the Prospect Power battery energy storage project (150 MW / 600 MWh) in Rockingham County in collaboration with Elevate Infrastructure. The company is a mid-sized player in the infrastructure sector, with a long history of managing a broad, cross-disciplinary portfolio.
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